122089231 has 16 divisors (see below), whose sum is σ = 142588800. Its totient is φ = 103356000.

The previous prime is 122089229. The next prime is 122089271. The reversal of 122089231 is 132980221.

It is not a de Polignac number, because 122089231 - 2¹ = 122089229 is a prime.

It is a super-2 number, since 2×122089231² = 29811560652342722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122089231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122089271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7381 + ... + 17281.

It is an arithmetic number, because the mean of its divisors is an integer number (8911800).

Almost surely, 2^122089231 is an apocalyptic number.

122089231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122089231 is a deficient number, since it is larger than the sum of its proper divisors (20499569).

122089231 is a wasteful number, since it uses less digits than its factorization.

122089231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9990.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 122089231 is about 11049.3995764476. The cubic root of 122089231 is about 496.0884540802.

The spelling of 122089231 in words is "one hundred twenty-two million, eighty-nine thousand, two hundred thirty-one".